<!doctype html><html lang="zh-Hans-CN"><head>	<meta charset="UTF-8">	<title>确认框的应用</title>	<script>		function show_confirm(){			let tf=confirm("请选择按钮!");			if (tf==true){alert("您按了确定按钮！");	}			else {alert("您按了取消按钮！");}		}	</script></head><body>	<h3>确认框的应用： confirm("确认信息!")</h3>	<hr>	<form method="post" action="">		<input type="button" onclick="show_confirm()" value="显示确认框" />	</form>	<hr>    <p><script>document.write(document.lastModified);</script><a href="index.html">返回本章目录</a></p></body></html>